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Mr. Dubey • 54.69K Points
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Q. In which of the following welding processes we use two non-consumable electrodes?

(A) mig
(B) tig
(C) atomic hydrogen
(D) submerged arc
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Explanation by: Mr. Dubey 
 non consumable electrodes are the ones that are not consumed during the process of welding. gtaw (gas tungsten arc welding)/tig (tungsten inert gas welding), ahw (atomic hydrogen welding), caw (carbon arc welding) processes use non-consumable electrodes.

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